melonDS Git (2020/06/04) is complied. melonDS is an open source Nintendo DS(NDS) emulator. melonDS is part of a second wave of DS emulators. There are a few other emulator projects that are part of it, which you might have already heard of. Either way, check them out!

melonDS Features:
* almost-complete 2D graphics
* 3D graphics (software renderer) with texturing, alphablending, lighting
* input: keyboard and joystick, touchscreen
* backup memory
* booting from the BIOS
* resizable video output window, preserving aspect ratio of individual screens

melonDS Git Changelog:
* Merge pull request #641 from nadiaholmquist/feature/qt-platform
* Use GenericConfigLocation so files will be placed correctly in non-portable Windows builds
* Fix paths on Windows
* Handle open flags more correctly
* Fix _dup on windows
* Fix indentation
* Handle r+ file mode
* Add missing threads dependency
* Merge branch 'master' of https://github.com/Arisotura/melonDS into feature/qt-platform
* Merge remote-tracking branch 'remotes/upstream/master' into feature/qt-platform
* Only initially open files as writable if they actually should be.
* Fix crash with nonexistent config directory or writable files.
* Use Qt abstractions for file I/O and threading on both Windows and Linux.
* Use Qt abstractions instead of glib's for paths on Linux

Download: melonDS Git (2020/06/04)
Source:Here